提交.Net6版本

Yi.Framework.Net6/Yi.Framework.Common/Helper/StringHelper.cs

@@ -0,0 +1,111 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+namespace Yi.Framework.Common.Helper
+{
+    public class StringHelper
+    {
+        /// <summary>
+        /// 根据分隔符返回前n条数据
+        /// </summary>
+        /// <param name="content">数据内容</param>
+        /// <param name="separator">分隔符</param>
+        /// <param name="top">前n条</param>
+        /// <param name="isDesc">是否倒序（默认false）</param>
+        /// <returns></returns>
+        public static List<string> GetTopDataBySeparator(string content, string separator, int top, bool isDesc = false)
+        {
+            if (string.IsNullOrEmpty(content))
+            {
+                return new List<string>() { };
+            }
+
+            if (string.IsNullOrEmpty(separator))
+            {
+                throw new ArgumentException("message", nameof(separator));
+            }
+
+            var dataArray = content.Split(separator).Where(d => !string.IsNullOrEmpty(d)).ToArray();
+            if (isDesc)
+            {
+                Array.Reverse(dataArray);
+            }
+
+            if (top > 0)
+            {
+                dataArray = dataArray.Take(top).ToArray();
+            }
+
+            return dataArray.ToList();
+        }
+        /// <summary>
+        /// 根据字段拼接get参数
+        /// </summary>
+        /// <param name="dic"></param>
+        /// <returns></returns>
+        public static string GetPars(Dictionary<string, object> dic)
+        {
+
+            StringBuilder sb = new StringBuilder();
+            string urlPars = null;
+            bool isEnter = false;
+            foreach (var item in dic)
+            {
+                sb.Append($"{(isEnter ? "&" : "")}{item.Key}={item.Value}");
+                isEnter = true;
+            }
+            urlPars = sb.ToString();
+            return urlPars;
+        }
+        /// <summary>
+        /// 根据字段拼接get参数
+        /// </summary>
+        /// <param name="dic"></param>
+        /// <returns></returns>
+        public static string GetPars(Dictionary<string, string> dic)
+        {
+
+            StringBuilder sb = new StringBuilder();
+            string urlPars = null;
+            bool isEnter = false;
+            foreach (var item in dic)
+            {
+                sb.Append($"{(isEnter ? "&" : "")}{item.Key}={item.Value}");
+                isEnter = true;
+            }
+            urlPars = sb.ToString();
+            return urlPars;
+        }
+        /// <summary>
+        /// 获取一个GUID
+        /// </summary>
+        /// <param name="format">格式-默认为N</param>
+        /// <returns></returns>
+        public static string GetGUID(string format="N") {
+            return Guid.NewGuid().ToString(format);
+        }
+        /// <summary>  
+        /// 根据GUID获取19位的唯一数字序列  
+        /// </summary>  
+        /// <returns></returns>  
+        public static long GetGuidToLongID()
+        {
+            byte[] buffer = Guid.NewGuid().ToByteArray();
+            return BitConverter.ToInt64(buffer, 0);
+        }
+        /// <summary>
+        /// 获取字符串最后X行
+        /// </summary>
+        /// <param name="resourceStr"></param>
+        /// <param name="length"></param>
+        /// <returns></returns>
+        public static string GetCusLine(string resourceStr, int length) {
+            string[] arrStr = resourceStr.Split("\r\n");
+            return string.Join("", (from q in arrStr select q).Skip(arrStr.Length - length + 1).Take(length).ToArray());  
+        }
+
+    }
+}